Astronomy:NGC 2009
From HandWiki
| NGC 2009 | |
|---|---|
 The open cluster NGC 2009 | |
| Observation data (J2000 epoch) | |
| Constellation | Dorado |
| Right ascension | 05h 30m 48s |
| Declination | −69° 09′ 49″ |
| Distance | 2,934 ly (900 pc) |
| Apparent magnitude (V) | 11[1] |
| Physical characteristics | |
NGC 2009 (also known as ESO 56-140) is a small open cluster located in the Dorado constellation. It was discovered by British astronomer John Herschel on November 3, 1834 with a visual magnitude of 11.02, being visible with a telescope having an aperture of 6 inches (150mm) or more.[2] It is located in the Large Magellanic Cloud and is estimated to be between 45 and 50 light years across.[3]
References
- ↑ 1.0 1.1 Tadross, A. L. (2011). "A catalog of 120 NGC open star clusters" (in en). Journal of the Korean Astronomical Society 44 (1). doi:10.5303/JKAS.2011.44.1.1.
- ↑ "NGC 2009 - Open Cluster in Dorado | TheSkyLive.com". https://theskylive.com/sky/deepsky/ngc2009-object.
- ↑ "New General Catalog Objects: NGC 2000 - 2049". https://cseligman.com/text/atlas/ngc20.htm.
- ↑ Seligman, Courtney. "NGC 7093" (in en). Celestial Atlas. http://cseligman.com/text/atlas/ngc70a.htm#7093.
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